Home / 846,000.30-1,269,000.45-720,029.10

Finding the Fourth Proportional to 846,000.30, 1,269,000.45 and 720,029.10

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Solution

The fourth proportional to 846,000.30, 1,269,000.45 and 720,029.10 is: 1,080,043.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,000.30 : 1,269,000.45 = 720,029.10 : x
  2. Step 2: Convert to fraction form
    846,000.30/1,269,000.45 = 720,029.10/x
  3. Step 3: Cross multiply
    846,000.30x = 1,269,000.45 × 720,029.10
  4. Step 4: Simplify right side
    846,000.30x = 913,717,251,913.10
  5. Step 5: Solve for x
    x = 913,717,251,913.10/846,000.30
  6. Step 6: Final answer
    x = 1,080,043.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.